Senior Business Analyst - Core Ledger Replacement

Worker Type:
Permanent

Here at BNZ, it's about more than just banking. We work together in an agile, energising environment to create innovative solutions through our promise "If you can imagine a better future, let's find a way."

We support wellbeing, flexible working and have a generous leave offering. There is the opportunity for growth, learning and career development. No two days are the same.

We have an exciting opportunity for an experienced Senior Business Analyst to join our Core Ledger Replacement domain and help modernise the lending technology that supports innovative customer experiences, creating a lasting impact for New Zealanders.

Based in either Auckland or Wellington, this fixed-term opportunity runs through to October 2028, giving you the scope to make a meaningful contribution across a significant, multi-year transformation.

Mō te Tūranga | About the Role

We sat down with the Platform Manager and they told us the following about the role:

What are some of the day-to-day tasks the person in this role will complete?

You’ll work within an Agile product team, helping to shape and deliver solutions as part of BNZ’s Core Ledger Replacement programme. This includes:

- Manage backlog in terms of collation, assessment and sizing to ensure the functional aspects of a feature or service are well understood and the linkages, dependencies & outcomes are all effectively catered for with no unexpected consequences across the business.
- Use your exceptional research, data analysis & decision-making skills to assist in prioritisation and delivery of a wide range of enhancements and bug fixes through to implementation.
- Work across functional stakeholders including engagement at working groups to tease out details, assist scoping support functions & supporting materials for customers/internal service suppliers.
- Manage artefacts as per standard BNZ processes throughout the SDLC.
- Manage Risk and Change by leading cross-system risk, dependency, and change impact assessments. Shape mitigation strategies and support business and delivery readiness.

What is the most exciting thing about this opportunity?

Few opportunities give you the chance to help rebuild the engine room of a bank. Through Core Ledger Replacement, we’re modernising the lending technology at the heart of BNZ—moving from legacy systems to a modern, cloud-based core banking platform. The scale is significant, with the impact set to be felt across the entire organisation and through the experiences we deliver for our customers. If you’re excited by large-scale platform modernisation, enterprise integration, and building technology that will shape the future of lending at BNZ, we’d love to hear from you.

What is the team culture and environment like?   
Our team operates in a collaborative and supportive environment where knowledge sharing, technical excellence, and continuous improvement are highly valued. Team members work closely together to solve complex problems, contribute ideas, and support each other's professional growth. Together we have a strong focus on quality, innovation, and delivering excellent outcomes.

What technical skills are required for this role?

This is an opportunity for a Senior Business Analyst with banking industry experience, ideally with an understanding of lending technology. Alongside this, you will bring:

- Strong requirements elicitation, process analysis, problem-solving, and documentation skills.
- The ability to analyse complex information, identify dependencies and impacts, and translate findings into clear recommendations.
- Experience working with APIs, system integrations, data flows, or other interconnected technology platforms.
- Experience working within Agile delivery teams and supporting work through the full delivery lifecycle.

What attributes will this person display in order to be successful in this role?

You'll bring strong stakeholder management and facilitation skills, with the ability to communicate clearly with both technical and non-technical audiences. You'll also have the confidence to challenge assumptions, navigate ambiguity, and help stakeholders make informed decisions.

Nau Mai ki te Pēke o Aotearoa | Come to the Bank of New Zealand

Please note: Applications close Monday 2 November 2026.

This is an exciting opportunity to join us!  We're bold thinkers who are taking brave steps to create a company that people want to work for, and customers want to bank with. If you're ready to join a fun organisation where we are proud of our culture and how we are helping New Zealander's to 'Find their way', then show your interest by submitting your application - we can't wait to read it.

Ehara taku toa i te toa takitahi, engari he toa takitini" - Success is not the work of an individual, but the work of many.”

Closing Date: 02 November 2026
Applications will be reviewed regularly across the advertising period, but we do reserve the right to close applications early.